Table 5. The effects of various stocking densities on average daily BW gain (g/bird/d) of Korean native ducks

Treatments1	14~28 d	28~42 d	42~50 d	14~50 d
T1	59.6	66.7	52.7	60.8
T2	58.9	68.3	60.3	61.3
T3	58.4	67.1	53.9	60.8
T4	59.1	68.4	56.1	62.1
T5	56.4	67.7	55.6	60.6
T6	56.7	68.4	58.8	61.7
SEM2	2.10	2.62	4.15	1.18
P-value	0.22	0.90	0.38	0.48

T1, 4 birds/m²; T2, 5 birds/m²; T3, 6 birds/m²; T4, 7 birds/m²; T5, 8 birds/m²; T6, 9 birds/m².
Standard error of mean.